/**
 *
 *    geo-platform
 *    Rich webgis framework
 *    http://geo-platform.org
 *   ====================================================================
 *
 *   Copyright (C) 2008-2021 geoSDI Group (CNR IMAA - Potenza - ITALY).
 *
 *   This program is free software: you can redistribute it and/or modify it
 *   under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version. This program is distributed in the
 *   hope that it will be useful, but WITHOUT ANY WARRANTY; without
 *   even the implied warranty of MERCHANTABILITY or FITNESS FOR
 *   A PARTICULAR PURPOSE. See the GNU General Public License
 *   for more details. You should have received a copy of the GNU General
 *   Public License along with this program. If not, see http://www.gnu.org/licenses/
 *
 *   ====================================================================
 *
 *   Linking this library statically or dynamically with other modules is
 *   making a combined work based on this library. Thus, the terms and
 *   conditions of the GNU General Public License cover the whole combination.
 *
 *   As a special exception, the copyright holders of this library give you permission
 *   to link this library with independent modules to produce an executable, regardless
 *   of the license terms of these independent modules, and to copy and distribute
 *   the resulting executable under terms of your choice, provided that you also meet,
 *   for each linked independent module, the terms and conditions of the license of
 *   that module. An independent module is a module which is not derived from or
 *   based on this library. If you modify this library, you may extend this exception
 *   to your version of the library, but you are not obligated to do so. If you do not
 *   wish to do so, delete this exception statement from your version.
 */
package org.geosdi.geoplatform.support.xmpp.spring.connection.builder;

import org.geosdi.geoplatform.support.xmpp.configuration.properties.XMPPProperties;
import org.jivesoftware.smack.SmackConfiguration;
import org.jivesoftware.smack.tcp.XMPPTCPConnectionConfiguration;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import static com.google.common.base.Preconditions.checkNotNull;

/**
 * @author Giuseppe La Scaleia - CNR IMAA geoSDI Group
 * @email giuseppe.lascaleia@geosdi.org
 */
public final class XMPPConnectionConfigurationBuilder {

    private static final Logger logger = LoggerFactory.getLogger(XMPPConnectionConfigurationBuilder.class);

    private XMPPProperties xmppProperties;

    private XMPPConnectionConfigurationBuilder() {
    }

    public static XMPPConnectionConfigurationBuilder newInstance() {
        return new XMPPConnectionConfigurationBuilder();
    }

    /**
     * @param xmppProperties
     * @return {@link XMPPConnectionConfigurationBuilder}
     */
    public XMPPConnectionConfigurationBuilder withXMPPProperties(XMPPProperties xmppProperties) {
        this.xmppProperties = xmppProperties;
        return this;
    }

    /**
     * @return {@link XMPPTCPConnectionConfiguration}
     * @throws Exception
     */
    public XMPPTCPConnectionConfiguration build() throws Exception {
        checkNotNull(xmppProperties, "XMPPProperties must not be null.");
        logger.debug("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ I'am building XMPP ConnectionCnfiguration with Properties : {}\n\n",
                xmppProperties);
        return (((xmppProperties.getServiceName() != null) && (!xmppProperties.getServiceName().isEmpty()))
                ? internalBuilder().setXmppDomain(xmppProperties.getServiceName()).build() : internalBuilder().build());
    }

    /**
     * @return {@link XMPPTCPConnectionConfiguration.Builder}
     */
    protected XMPPTCPConnectionConfiguration.Builder internalBuilder() {
        SmackConfiguration.DEBUG = xmppProperties.isDebuggerEnabled();
        return XMPPTCPConnectionConfiguration
                .builder()
                .setPort(xmppProperties.getXMPPPort())
                .setHost(xmppProperties.getXMPPHost())
                .setSecurityMode(xmppProperties.getSecurityMode())
                .setCompressionEnabled(xmppProperties.isCompressionEnabled());
    }
}